1
Specifications
4D (Square)
D (Circular)
Effective diameter of lens (mm/in)
100 × 54/3. x 2.1
Φ
0/
Φ
3.1
Refractive power (diopters)
4
Reference magnification*
1.5×
2×
Lens material (surface process)
Acrylic (PMMA) lens (with hard coating)
Lens form
Equiconvex aspherical lens
Size (mm/in) (L×W×D)
160 x 1 x 17/6.3 x 7. x 0.7
230 x 1 x 17/.1 x 3.6 x 0.7
Weight (g/oz) (without battery)
115/4.1
Power
One LR03 (AAA size) alkaline battery
Battery life
(at a temperature of 25°C/77°F)**
Approximately hours
EMC
EU EMC directive, AS/NZS
Environment
RoHS, WEEE
* Reference magnification is when an object is clearly visible at approx. 250 mm/. in.
** This figure may vary depending on the environment and temperature.
• This product is not water resistant. Do not expose this product to drops of water, rain, etc.
Memo
Summary of Contents for L1-4D
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